JPS59207415A - 複合型磁気ヘツドおよびその製造方法 - Google Patents
複合型磁気ヘツドおよびその製造方法Info
- Publication number
- JPS59207415A JPS59207415A JP58080896A JP8089683A JPS59207415A JP S59207415 A JPS59207415 A JP S59207415A JP 58080896 A JP58080896 A JP 58080896A JP 8089683 A JP8089683 A JP 8089683A JP S59207415 A JPS59207415 A JP S59207415A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- ferrite
- magnetic material
- forming
- blocks
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 150000001875 compounds Chemical class 0.000 title description 2
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 70
- 230000004907 flux Effects 0.000 claims abstract description 25
- 230000035699 permeability Effects 0.000 claims abstract description 21
- 239000000696 magnetic material Substances 0.000 claims description 60
- 238000004804 winding Methods 0.000 claims description 42
- 239000002131 composite material Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 26
- 230000008569 process Effects 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 13
- 238000005304 joining Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 235000002918 Fraxinus excelsior Nutrition 0.000 claims 1
- 239000002956 ash Substances 0.000 claims 1
- 229910045601 alloy Inorganic materials 0.000 abstract description 16
- 239000000956 alloy Substances 0.000 abstract description 16
- 229910003271 Ni-Fe Inorganic materials 0.000 abstract description 6
- 229910018125 Al-Si Inorganic materials 0.000 abstract description 3
- 229910018520 Al—Si Inorganic materials 0.000 abstract description 3
- 229910017082 Fe-Si Inorganic materials 0.000 abstract description 3
- 229910017133 Fe—Si Inorganic materials 0.000 abstract description 3
- 229910018605 Ni—Zn Inorganic materials 0.000 abstract description 3
- 229910000808 amorphous metal alloy Inorganic materials 0.000 abstract description 3
- 239000013590 bulk material Substances 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 43
- 229910052751 metal Inorganic materials 0.000 description 28
- 239000002184 metal Substances 0.000 description 28
- 239000011521 glass Substances 0.000 description 11
- 239000000463 material Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- 238000004544 sputter deposition Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- 238000005498 polishing Methods 0.000 description 4
- 229910021364 Al-Si alloy Inorganic materials 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910000889 permalloy Inorganic materials 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 239000012779 reinforcing material Substances 0.000 description 3
- 229910000702 sendust Inorganic materials 0.000 description 3
- 229910020641 Co Zr Inorganic materials 0.000 description 2
- 229910020520 Co—Zr Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 229910001004 magnetic alloy Inorganic materials 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 229910020598 Co Fe Inorganic materials 0.000 description 1
- 229910002519 Co-Fe Inorganic materials 0.000 description 1
- 229910020018 Nb Zr Inorganic materials 0.000 description 1
- 206010041349 Somnolence Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- -1 etc. Inorganic materials 0.000 description 1
- 210000003746 feather Anatomy 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 244000144992 flock Species 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000012762 magnetic filler Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052752 metalloid Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K89/00—Reels
- A01K89/01—Reels with pick-up, i.e. with the guiding member rotating and the spool not rotating during normal retrieval of the line
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
- G11B5/1871—Shaping or contouring of the transducing or guiding surface
- G11B5/1872—Shaping or contouring of the transducing or guiding surface for improving the form of the electrical signal transduced, e.g. compensation of "contour effect"
- G11B5/1874—Shaping or contouring of the transducing or guiding surface for improving the form of the electrical signal transduced, e.g. compensation of "contour effect" specially adapted for composite pole pieces, e.g. for avoiding "pseudo-gap"
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Magnetic Heads (AREA)
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58080896A JPS59207415A (ja) | 1983-05-11 | 1983-05-11 | 複合型磁気ヘツドおよびその製造方法 |
| US06/608,407 US4656547A (en) | 1983-05-11 | 1984-05-09 | Composite type magnetic head for recording and reproducing high frequency signals |
| KR1019840002514A KR910007872B1 (ko) | 1983-05-11 | 1984-05-10 | 복합형 자기헤드 및 그 제조방법 |
| DE8484303167T DE3475019D1 (en) | 1983-05-11 | 1984-05-10 | Composite type magnetic head and its manufacturing method |
| EP84303167A EP0125891B1 (en) | 1983-05-11 | 1984-05-10 | Composite type magnetic head and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58080896A JPS59207415A (ja) | 1983-05-11 | 1983-05-11 | 複合型磁気ヘツドおよびその製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59207415A true JPS59207415A (ja) | 1984-11-24 |
| JPH0477370B2 JPH0477370B2 (ko) | 1992-12-08 |
Family
ID=13731121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58080896A Granted JPS59207415A (ja) | 1983-05-11 | 1983-05-11 | 複合型磁気ヘツドおよびその製造方法 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4656547A (ko) |
| EP (1) | EP0125891B1 (ko) |
| JP (1) | JPS59207415A (ko) |
| KR (1) | KR910007872B1 (ko) |
| DE (1) | DE3475019D1 (ko) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6095705A (ja) * | 1983-10-29 | 1985-05-29 | Sony Corp | 磁気ヘツドの製造方法 |
| JPS6139907A (ja) * | 1984-08-01 | 1986-02-26 | Hitachi Maxell Ltd | 磁気ヘツド |
| JPS6174118A (ja) * | 1984-09-19 | 1986-04-16 | Hitachi Maxell Ltd | 磁気ヘツド |
| JPS61158015A (ja) * | 1984-12-29 | 1986-07-17 | Sony Corp | 磁気ヘツドの製造方法 |
| JPS61172203A (ja) * | 1985-01-26 | 1986-08-02 | Sony Corp | 磁気ヘツド |
| JPS61230606A (ja) * | 1985-04-05 | 1986-10-14 | Hitachi Ltd | 磁気ヘツド |
| JPS61230605A (ja) * | 1985-04-05 | 1986-10-14 | Hitachi Ltd | 磁気ヘツドの製造方法 |
| JPS61292211A (ja) * | 1985-06-19 | 1986-12-23 | Hitachi Ltd | 磁気ヘツド |
| JPS62145511A (ja) * | 1985-12-20 | 1987-06-29 | Hitachi Ltd | 磁気ヘツド |
| JPS62159306A (ja) * | 1985-12-30 | 1987-07-15 | Sony Corp | 磁気ヘツド |
| US4682256A (en) * | 1984-11-01 | 1987-07-21 | Victor Company Of Japan, Ltd. | Method of manufacturing a composite type magnetic head |
| JPS6356804A (ja) * | 1986-08-27 | 1988-03-11 | Mitsubishi Electric Corp | 磁気ヘツド |
| US4745507A (en) * | 1985-02-13 | 1988-05-17 | Hitachi, Ltd. | Composite type magnetic head with non-magnetic member in coil mounting portion |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6089805A (ja) * | 1983-10-24 | 1985-05-20 | Sony Corp | 磁気消去ヘツド |
| CA1236212A (en) * | 1983-12-30 | 1988-05-03 | Heikichi Sato | Magnetic transducer head with slanted thin film |
| AU578273B2 (en) * | 1984-03-29 | 1988-10-20 | Sony Corporation | Trahsdermal bopindolol compositions |
| US4819113A (en) * | 1984-03-29 | 1989-04-04 | Sony Corporation | Magnetic transducer head with inclined magnetic gap |
| JPS60256904A (ja) * | 1984-06-01 | 1985-12-18 | Hitachi Ltd | 磁気ヘツド |
| DE3584607D1 (de) * | 1984-09-19 | 1991-12-12 | Hitachi Maxell | Magnetkopf. |
| KR910000790B1 (ko) * | 1985-04-30 | 1991-02-08 | 마쯔시다덴기산교 가부시기가이샤 | 자기헤드 및 그 제조방법 |
| US4777074A (en) * | 1985-08-12 | 1988-10-11 | Sumitomo Special Metals Co., Ltd. | Grooved magnetic substrates and method for producing the same |
| DE3630841A1 (de) * | 1985-09-13 | 1987-03-26 | Hitachi Metals Ltd | Fliegender magnetkopf |
| DE3634305A1 (de) * | 1985-10-09 | 1987-04-16 | Canon Kk | Magnetkopf |
| EP0222183B1 (en) * | 1985-10-14 | 1994-01-12 | Hitachi, Ltd. | Thin film magnetic head |
| EP0246706B1 (en) * | 1986-05-21 | 1991-05-08 | Koninklijke Philips Electronics N.V. | Magnetic transducing head having clad core faces |
| JPS63119007A (ja) * | 1986-11-07 | 1988-05-23 | Hitachi Maxell Ltd | 磁気ヘツド |
| JPS63146202A (ja) * | 1986-12-09 | 1988-06-18 | Canon Electronics Inc | 磁気ヘツド及びその製造方法 |
| JP2513205B2 (ja) * | 1987-02-04 | 1996-07-03 | ソニー株式会社 | 複合磁気ヘツド |
| US5278716A (en) * | 1987-07-14 | 1994-01-11 | Sanyo Electric Co. | Magnetic head with suppressed generation of pseudogap |
| US5195004A (en) * | 1987-07-14 | 1993-03-16 | Sanyo Electric Co., Ltd. | Method of manufacturing a magnetic core half |
| US5228185A (en) * | 1988-04-05 | 1993-07-20 | Matsushita Electric Industrial Co., Ltd. | Method of manufacturing a magnetic head |
| US5170301A (en) * | 1988-08-03 | 1992-12-08 | Matsushita Electric Industrial Co., Ltd. | Magnetic head having core parts joined by low-melting point crystallized glass with composite gap |
| US5001588A (en) * | 1989-06-30 | 1991-03-19 | Ampex Corporation | Composite core magnetic transducer having a wedge shaped core portion |
| DE69011066T2 (de) * | 1989-12-29 | 1995-03-16 | Sony Corp | Weichmagnetische dünne Filme auf Fe-N-Basis und solche Filme verwendender Magnetkopf. |
| JPH0430308A (ja) * | 1990-05-25 | 1992-02-03 | Hitachi Ltd | 磁気ヘッドおよびその製造方法 |
| WO1993011531A1 (en) * | 1991-12-02 | 1993-06-10 | Nikko Kyodo Company, Limited | Thin film magnetic head |
| JPH1091912A (ja) * | 1996-09-17 | 1998-04-10 | Sony Corp | 磁気ヘッド |
| US6995951B2 (en) * | 2001-04-03 | 2006-02-07 | Sony Corporation | Method of planarizing substrate, magnetic head and manufacturing method of the same |
| US7492550B2 (en) * | 2003-11-18 | 2009-02-17 | Tandberg Storage Asa | Magnetic recording head and method for high coercivity media, employing concentrated stray magnetic fields |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5496013A (en) * | 1978-01-13 | 1979-07-30 | Matsushita Electric Ind Co Ltd | Compound magnetic head |
| JPS5558824A (en) * | 1978-10-24 | 1980-05-01 | Sanyo Electric Co Ltd | Magnetic head |
| JPS56124111A (en) * | 1980-03-06 | 1981-09-29 | Matsushita Electric Ind Co Ltd | Production of magnetic head |
| JPS56169214A (en) * | 1980-06-02 | 1981-12-25 | Nippon Hoso Kyokai <Nhk> | Magnetic head |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3813693A (en) * | 1970-08-28 | 1974-05-28 | Ampex | Magnetic head with protective pockets of glass adjacent the corners of the gap |
| US3795954A (en) * | 1971-11-26 | 1974-03-12 | Honeywell Inf Systems | Method of making a micro-gap magnetic recording head |
| JPS5312740A (en) * | 1976-07-23 | 1978-02-04 | Matsushita Electric Ind Co Ltd | Liquid for electrolytically etching ferrite |
| US4279633A (en) * | 1980-03-18 | 1981-07-21 | Matsushita Electric Industrial Co., Ltd. | Method of producing magnetic head |
| JPS59142716A (ja) * | 1983-02-04 | 1984-08-16 | Hitachi Ltd | 磁気ヘツドおよびその製造方法 |
-
1983
- 1983-05-11 JP JP58080896A patent/JPS59207415A/ja active Granted
-
1984
- 1984-05-09 US US06/608,407 patent/US4656547A/en not_active Expired - Lifetime
- 1984-05-10 EP EP84303167A patent/EP0125891B1/en not_active Expired
- 1984-05-10 KR KR1019840002514A patent/KR910007872B1/ko not_active IP Right Cessation
- 1984-05-10 DE DE8484303167T patent/DE3475019D1/de not_active Expired
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5496013A (en) * | 1978-01-13 | 1979-07-30 | Matsushita Electric Ind Co Ltd | Compound magnetic head |
| JPS5558824A (en) * | 1978-10-24 | 1980-05-01 | Sanyo Electric Co Ltd | Magnetic head |
| JPS56124111A (en) * | 1980-03-06 | 1981-09-29 | Matsushita Electric Ind Co Ltd | Production of magnetic head |
| JPS56169214A (en) * | 1980-06-02 | 1981-12-25 | Nippon Hoso Kyokai <Nhk> | Magnetic head |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6095705A (ja) * | 1983-10-29 | 1985-05-29 | Sony Corp | 磁気ヘツドの製造方法 |
| JPS6139907A (ja) * | 1984-08-01 | 1986-02-26 | Hitachi Maxell Ltd | 磁気ヘツド |
| JPH0546609B2 (ko) * | 1984-08-01 | 1993-07-14 | Hitachi Maxell | |
| JPS6174118A (ja) * | 1984-09-19 | 1986-04-16 | Hitachi Maxell Ltd | 磁気ヘツド |
| US4682256A (en) * | 1984-11-01 | 1987-07-21 | Victor Company Of Japan, Ltd. | Method of manufacturing a composite type magnetic head |
| JPS61158015A (ja) * | 1984-12-29 | 1986-07-17 | Sony Corp | 磁気ヘツドの製造方法 |
| JPS61172203A (ja) * | 1985-01-26 | 1986-08-02 | Sony Corp | 磁気ヘツド |
| US4745507A (en) * | 1985-02-13 | 1988-05-17 | Hitachi, Ltd. | Composite type magnetic head with non-magnetic member in coil mounting portion |
| JPS61230605A (ja) * | 1985-04-05 | 1986-10-14 | Hitachi Ltd | 磁気ヘツドの製造方法 |
| JPS61230606A (ja) * | 1985-04-05 | 1986-10-14 | Hitachi Ltd | 磁気ヘツド |
| JPS61292211A (ja) * | 1985-06-19 | 1986-12-23 | Hitachi Ltd | 磁気ヘツド |
| JPS62145511A (ja) * | 1985-12-20 | 1987-06-29 | Hitachi Ltd | 磁気ヘツド |
| JPS62159306A (ja) * | 1985-12-30 | 1987-07-15 | Sony Corp | 磁気ヘツド |
| JPS6356804A (ja) * | 1986-08-27 | 1988-03-11 | Mitsubishi Electric Corp | 磁気ヘツド |
Also Published As
| Publication number | Publication date |
|---|---|
| US4656547A (en) | 1987-04-07 |
| KR910007872B1 (ko) | 1991-10-02 |
| JPH0477370B2 (ko) | 1992-12-08 |
| EP0125891B1 (en) | 1988-11-02 |
| EP0125891A1 (en) | 1984-11-21 |
| KR850000101A (ko) | 1985-02-25 |
| DE3475019D1 (en) | 1988-12-08 |
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